If you are looking for economy budget the ego is the best by far for your buck. If you need professional then the GoPro Hero 3 is the newest and best out there. I own them both and still use them both equally. So I'd say worth it if you're trying to save a few $$

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When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
1 Corinthians Chapter 13 - 11